description Pertusaria amara Overview
Pertusaria amara, now generally treated as Lepra amara, is a gray, crustose, bark-dwelling lichen with small, white, punctiform soralia. It is distinguished from similar species by picrolichenic acid, which produces an intensely bitter taste and a KC-positive violet reaction. It is common on mesic tree bark and is only rarely recorded on soil or rocks.
help Pertusaria amara FAQ
How good is Pertusaria amara?
Pertusaria amara scores 6.96/10 (Fair) on Lunoo, making it rated in the Lichen category. Distinctive bitterness and useful chemistry aid identification, but plain appearance and limited public recognition constrain enthusiasm.
What are the best alternatives to Pertusaria amara?
See our alternatives page for Pertusaria amara for a ranked list with scores. Top alternatives include: Graphis scripta, Thelotrema lepadinum, Calicium viride.
How does Pertusaria amara compare to Graphis scripta?
See our detailed comparison of Pertusaria amara vs Graphis scripta with scores, features, and an AI-powered verdict.
Is Pertusaria amara worth it in 2026?
With a score of 6.96/10, Pertusaria amara is a solid option in Lichen. See all Lichen ranked.
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